Of course you have Rachel McAdams, Channing Tatum and Irish rockers, U2, but did you know Anne Hathaway is of Irish decent? Or even Rashida Jones, who is of African, Russian and Irish Decent? There are more celebrities who have a little bit of the Irish in them, than there is gold in a leprechaun's pot of gold! Check them all out right here...
Matthew McConaughey
(Photo by Chris Graythen/Getty Images)
The Baldwin Brothers
(Photo by Frederick M. Brown/Getty Images)
Luke, Owen and Andrew Wilson
(Photo by Vince Bucci/Getty Images)
Kieran Culkin & Rory Culkin
(Photo by Teresa Barbieri/Getty Images)
Kieran Culkin & Macaulay Culkin
(Photo by Peter Kramer/Getty Images)
Ben & Casey Affleck
(Photo by Claire Greenway/Getty Images)
Kevin Dillon
(Photo by Frazer Harrison/Getty Images)
Emily & Zooey Deschanel
(Photo by Michael Buckner/Getty Images)
Ann, John & Joan Cusack
(Photo by Matt Carmichael/Getty Images)
Dakota & Elle Fanning
(Photo by Alberto E. Rodriguez/Getty Images)
Brian Austin Green & Megan Fox
(Photo by Vittorio Zunino Celotto/Getty Images)
Adrian Grenier
(Photo by Christopher Blumenshine/Getty Images for GQ)
Alex O'Loughlin
(Photo by Frazer Harrison/Getty Images)
Alison Lohman
(Photo by Francois Durand/Getty Images)
Alyson Hannigan
(Photo by Charley Gallay/Getty Images for PCA)
Anna Friel
(Photo by Neilson Barnard/Getty Images)
Anna Kendrick
(Photo by Jason Merritt/Getty Images)
Anne Hathaway
(Photo by Kevin Winter/Getty Images for AFI)
Anthony Michael Hall
(Photo by Scott Halleran/Getty Images)
Ashton Kutcher
(Photo by Brian Harkin/Getty Images)
Ben Stiller
(Photo by Astrid Stawiarz/Getty Images)
Bill Murray
(Photo by Jed Jacobsohn/Getty Images)
Billy Bob Thornton
(Photo by David Livingston/Getty Images)
Bradley Cooper
(Photo by Kiyoshi Ota/Getty Images)
Brendan Gleeson
(Photo by Jason Merritt/Getty Images)
Burt Reynolds
(Photo by Kevin Winter/Getty Images)
Carla Gugino
(Photo by Jason Merritt/Getty Images)
Catherine Keener
(Photo by Sonia Recchia/Getty Images)
Catherine O'Hara
(Photo by Evan Agostini/Getty Images for The National Board of Review)
Catherine Zeta-Jones
(Photo by Neilson Barnard/Getty Images)
Channing Tatum
His ancestry includes Irish, French, and Native American.
Charles Durning
(Photo by Michael N. Todaro/Getty Images)
Chris Evans
(Photo by Kevin C. Cox/Getty Images)
Christian Slater
(Photo by Miguel Villagran/Getty Images)
Christina Ricci
(Photo by Jemal Countess/Getty Images)
Christopher Nolan
(Photo by Neilson Barnard/Getty Images for WGAw)
Chuck Norris
(Photo by Frazer Harrison/Getty Images)
Cillian Murphy
(Photo by Kevin Winter/Getty Images for AFI)
Colin Farrell
(Photo by Gareth Cattermole/Getty Images For Dubai International Film Festival)
Dane Cook
(Photo by Noel Vasquez/Getty Images)
Daniel Day-Lewis
(Photo by Dave Hogan/Getty Images)
Denis Leary
(Photo by Brendan Hoffman/Getty Images)
Dermot Mulroney
(Photo by Alberto E. Rodriguez/Getty Images)
Dominic Purcell
(Photo by Michael Buckner/Getty Images)
Dominic West
(Photo by Vince Bucci/Getty Images)
Ed O'Neill
(Photo by Frederick M. Brown/Getty Images)
Edward Burns
(Photo by Amy Sussman/Getty Images)
Emmy Rossum
(Photo by Jemal Countess/Getty Images)
George Clooney
(Photo by Jason Merritt/Getty Images)
Heather Graham
(Photo by Chung Sung-Jun/Getty Images)
Jack Nicholson
(Photo by Kevin Winter/Getty Images)
James Earl Jones
(Photo by Paul Hawthorne/Getty Images)
Janeane Garofalo
(Photo by Kevin Winter/Getty Images)
Jason Patric
(Photo by Jemal Countess/Getty Images)
Jennifer Beals
(Photo by Frederick M. Brown/Getty Images)
John C. McGinley
(Photo by Frederick M. Brown/Getty Images)
John C. Reilly
(Photo by Francois Durand/Getty Images)
John Slattery
(Photo by Francois Durand/Getty Images)
John Travolta
(Photo by Kevin Winter/Getty Images)
Jonathan Rhys Meyers
(Photo by Frantzesco Kangaris/Getty Images)
Josh Hartnett
(Photo by Charley Gallay/Getty Images for Grey Goose)
Julia Roberts
(Photo by Chris Jackson/Getty Images)
Kate Walsh
(Photo by Christopher Polk/Getty Images for Rolling Stone)
Katherine Heigl
(Photo by Ian Gavan/Getty Images)
Kevin & Matt Dillon
Brothers, Kevin & Matt Dillon both of Irish Decent.
Kevin Connolly
(Photo by Jim McIsaac/Getty Images)
Krista Allen
(Photo by Ethan Miller/Getty Images)
Kristen Bell
(Photo by Brian Ach/Getty Images for IMG)
Laura Prepon
(Photo by Evan Agostini/Getty Images)
Lauren Graham
(Photo by Kevin Winter/Getty Images)
Liam Neeson
(Photo by Jason Merritt/Getty Images)
Linda Cardellini
(Photo by Charley Gallay/Getty Images)
Lindsay Lohan
(Photo by Stephen Dunn/Getty Images)
Maggie Q
(Photo by Mark Mainz/Getty Images)
Mandy Moore
(Photo by Frazer Harrison/Getty Images)
Martin Sheen
(Photo by Ethan Miller/Getty Images)
Mark & Donnie Wahlberg
(Photo by Kevin Winter/Getty Images )
Matthew Broderick
(Photo by Kris Connor/Getty Images)
Michaela Conlin
(Photo by Michael Buckner/Getty Images)
Mickey Rourke
(Photo by Frazer Harrison/Getty Images)
Mischa Barton
(Photo by Jemal Countess/Getty Images)
Natascha McElhone
(Photo by Ian Gavan/Getty Images)
Olivia Wilde
(Photo by Toby Canham/Getty Images)
Patricia Heaton
(Photo by Frederick M. Brown/Getty Images)
Paul Walker
(Photo by Kevin Winter/Getty Images)
Peter O'Toole
(Photo by Frank Micelotta/ImageDirect/Getty Images)
Pierce Brosnan
(Photo by Sean Gallup/Getty Images)
Rachel Hurd-Wood
(Photo by Sean Gallup/Getty Images)
Rachel McAdams
Is of Irish descent
Rashida Jones
(Photo by Charley Gallay/Getty Images)
Richard Gere
(Photo by Frazer Harrison/Getty Images for VH1)
Robert Downey Jr.
(Photo by Gareth Cattermole/Getty Images)
Robin Tunney
(Photo by Kevork Djansezian/Getty Images)
Rose Byrne
(Photo by Jason Kempin/Getty Images)
Rose McGowan
(Photo by Frazer Harrison/Getty Images)
Sean Patrick Flanery
(Photo by Frazer Harrison/Getty Images)
Sharon Stone
(Photo by Jason Merritt/Getty Images)
Steve Buscemi
(Photo by Jason Merritt/Getty Images)
Will Ferrell
(Photo by Charley Gallay/Getty Images for 7-Eleven)